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经多年对银中杨、山新杨，中黑防１＃、２＃杨等优良新品种的生长特性、材性、抗病虫性、抗逆性等测试分析，证实这几个品种的综合特性均超过对照小黑杨。主要介绍新品种的选育过程和生产推广应用情况。
After many years of Yinzhong Yang, Shanyang Yang, Zhongbang 1 #, 2 # Yang and other fine new varieties of growth characteristics, timber properties, pest resistance, resistance and other test analysis to confirm the synthesis of these varieties Characteristics are more than the control of black poplar. The introduction of new varieties of breeding process and production promotion and application.